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valve sound

  1. Sounds like loud lifters, but??

    9-5 Workshop
    Hello folks, My 04 9-5 Aero has developed an annoying sound in the engine. Upon cold start, there is a a lot of tick tick tick coming from Cylinders 1 and 2, then after a while the sound dies down significantly when idling. When I step on it, the sound comes back. There is a bit of an...